Ideal for the traveler, student or music lover. The latest technology and convenient foldable size. The XNC230W features an adjustable headband, superior sound quality and clarity, patented LINX AUDIO technology, in-line volume control for easy adjustment to safe listening levels (no more hunting for the volume control) and state-of-the-art active noise cancelation (ANC). With over 25 International CES and CTIA awards, the sound quality will delight even the most discernable ear.